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A man displays the new Blackberry Passport
smartphone during the Mobile World Congress in Barcelona March 3, 2015. Europe's two biggest telecom operators have called on regulators to be flexible in finalising rules to protect the openness of the Internet, to allow them to give priority to certain kinds of data traffic on their networks. REUTERS/Gustau Nacarino (SPAIN - Tags: BUSINESS SCIENCE TECHNOLOGY BUSINESS TELECOMS)